Running Head: Colorectal Cancer Delays
Supplementary Table 1. List of ICD-9 codes indicating comorbid conditions of the
gastrointestinal tract that were excluded from study sample.
Diagnosis/Symptom
ICD-9 code
Crohn's Disease
Regional enteritis small intestines
555.0
Regional enteritis large intestines
555.1
Regional enteritis small intestines with large intestines
555.2
Regional enteritis unspecified site
555.9
Colitis of unspecified etiology, Inflammatory Bowel Disease
Ulcerative (Chronic) entero-colitis
556.0
Ulcerative (Chronic) ileocolitis
556.1
Ulcerative (Chronic) proctitis
556.2
Ulcerative (Chronic) proctosigmoiditis
556.3
Pseudopolyposis of colon
556.4
Left sided ulcerative (chronic) colitis
556.5
Universal ulcerative (chronic) colitis pancolitis
556.6
Other ulcerative colitis
556.8
Ulcerative colitis unspecified
556.9
Other and unspecified non-infectious gastroenteritis and colitis
558.9
Irritable bowel syndrome/diarrhea
Irritable bowel syndrome
564.1
Colitis mucous*
564.1, 564.9
Spastic colon
564.1
Functional diarrhea
564.5
Diarrhea not otherwise specified
787.91
Incontinence of feces
787.6
Diverticulitis
Colon- Diverticulitis (without mention of hemorrhage)
562.11
Colon- Diverticulitis (with hemorrhage)
562.13
Diverticulitis of small intestine without hemorrhage
562.01
Diverticulitis of small intestine with hemorrhage
562.03
High risk diseases and condition with symptoms similar to CRC
Benign neoplasm of other parts of digestive system- duodenum, jejunum, and ileum
211.2
Benign neoplasm of other parts of the digestive system- colon
211.3
Benign neoplasm of other parts of the digestive system- Rectum and Anal Canal
211.4
Neoplasm of uncertain behavior of stomach intestines and rectum
235.2
Personal history of malignant neoplasm, gastrointestinal tract unspecified
V10.00
Personal history of malignant neoplasm, large intestine
V10.05
Personal history of malignant neoplasm, rectum rectosigmoid juntion and anus
V10.06
Colonic polyps
V12.72
Anal and rectal polyps
569.0
Colorectal Cancer Delays
Family history of malignant neoplasm of gastrointestinal tract
V16.0
Abcess of intestine (rationale: could be symptom of Crohns, diverticulitis, colitis, etc.)
569.5
*Code changed between 1998-2005.
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Colorectal Cancer Delays
Supplementary Table 2. List of ICD-9 codes indicating clinical manifestations, symptoms, and
diagnoses suggestive of colorectal cancer in the year prior to CRC diagnosis.
Diagnosis/Symptom type
ICD-9 code
Abdominal pain
Abdominal pain unspecified site
789.00
Abdominal pain right upper quadrant
789.01
Abdominal pain left upper quadrant
789.02
Abdominal pain right lower quadrant
789.03
Abdominal pain left lower quadrant
789.04
Abdominal pain periumbilic
789.05
Abdominal pain epigastric
789.06
Abdominal pain generalized
789.07
Abdominal pain other specified site
789.09
Abdominal pain, swelling, or mass
Abdominal pain, swelling or mass, unspecified site
789.30
Abdominal pain, swelling or mass, right upper quadrant
789.31
Abdominal pain, swelling or mass, left upper quadrant
789.32
Abdominal pain, swelling or mass, right lower quadrant
789.33
Abdominal pain, swelling or mass, left lower quadrant
789.34
Abdominal pain, swelling or mass, periumbilic
789.35
Abdominal pain, swelling or mass, epigastric
789.36
Abdominal pain, swelling or mass, generalized
789.37
Abdominal pain, swelling or mass, other specified site
789.39
Abnormal Stool
Nonspecific abnormal finding in other body substances; stool contents
792.1
Anal/rectal pain, anal spasm
Anal or rectal pain
569.42
Anal spasm
564.6
Anemia
Iron deficiency anemias secondary to blood loss (chronic)
280.0
Iron deficiency anemia unspecified
280.9
Acute posthemorragic anemia
285.1
Anemia unspecified
285.9
Anorexia or unexplained weight loss
Abnormal loss of weight*
783.2, 783.21
Anorexia
783.0
Constipation
Constipation*
564.0, 564.01
Slow transit constipation
564.01
Outlet dysfunction constipation
564.02
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Colorectal Cancer Delays
Other constipation
564.09
Fatigue
Other malaise and fatigue*
780.7, 780.79
Flatulence, eructation and gas pain
Flatulence, eructation and gas pain
787.3
Observation for suspected neoplasm
Observation for suspected malignant neoplasm
V71.1
Other GI symptoms, other bowel changes
Other symptoms involving digestive system, other change in bowel habits
787.99
Rectal bleeding or rectal/GI tract hemorrhage
Hemorrhage of rectum and anus
569.3
Hemorrhage of gastrointestinal tract unspecified
578.9
Blood in Stool
578.1
Vomiting or nausea
Nausea with vomiting
787.01
Nausea alone
787.02
Vomiting alone
787.03
*Code changed between 1998-2005.
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